netdev - [PATCH net-next] af_mpls: fix undefined reference to ip6_route

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Date:	Wed, 22 Jul 2015 00:10:03 -0700
From:	Roopa Prabhu <roopa@...ulusnetworks.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org
Subject: [PATCH net-next] af_mpls: fix undefined reference to ip6_route_output

From: Roopa Prabhu <roopa@...ulusnetworks.com>

seen with CONFIG_IPV6 disabled. Wrap the code
around IS_ENABLED(CONFIG_IPV6)

Reported-by: kbuild test robot <fengguang.wu@...el.com>
Signed-off-by: Roopa Prabhu <roopa@...ulusnetworks.com>
---
 net/mpls/af_mpls.c |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index 49f1b0e..040dfff 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -351,6 +351,7 @@ errout:
 	return dev;
 }
 
+#if IS_ENABLED(CONFIG_IPV6)
 static struct net_device *inet6_fib_lookup_dev(struct net *net, void *addr)
 {
 	struct net_device *dev = NULL;
@@ -371,6 +372,12 @@ errout:
 
 	return dev;
 }
+#else
+static struct net_device *inet6_fib_lookup_dev(struct net *net, void *addr)
+{
+	return NULL;
+}
+#endif
 
 static struct net_device *find_outdev(struct net *net,
 				      struct mpls_route_config *cfg)
-- 
1.7.10.4

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